[R] is this a bug? problem saving and restoring coxph objects

Peter Dalgaard BSA p.dalgaard at biostat.ku.dk
Sat Mar 25 17:55:33 CET 2000

Ramon Diaz-Uriarte <rdiazuri at students.wisc.edu> writes:

> I am using R 1.0.0 on Linux, and I am running into a problem with coxph objects
> (library survival5).
> If I fit a model that includes a frailty term with sparse=F (e.g
> my.model<-coxph(Surv(t,censor)~trt+frailty(id,sparse=F))),
> when I try to save all the objects (e.g., save.image()) I get the error:

It certainly quacks like a bug and walks like a bug...

Does your example work (or rather: not work) with any old values of
the variables t, censor, trt and id? If not could you provide us with
a set of values that provokes the crash on your machine?

   O__  ---- Peter Dalgaard             Blegdamsvej 3  
  c/ /'_ --- Dept. of Biostatistics     2200 Cph. N   
 (*) \(*) -- University of Copenhagen   Denmark      Ph: (+45) 35327918
~~~~~~~~~~ - (p.dalgaard at biostat.ku.dk)             FAX: (+45) 35327907
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